Duncan Kolba developed a strict dependency management configuration for the db-ux-design-system/core-web repository, focusing on improving the reliability and reproducibility of npm package installations. He implemented a project-wide .npmrc file that enforced the use of package-lock.json, mandated exact version pins, ignored scripts, and required strict engine compatibility checks. By leveraging npm configuration and dependency management skills, Duncan addressed issues of install drift and environment inconsistency across development, CI, and production. This approach enhanced governance and stability, simplified onboarding, and reduced support incidents by ensuring deterministic package installations, reflecting a thoughtful and thorough application of configuration best practices.